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| double tempo = 0.0; | |
| // declara e inicializa | |
| double *ptr = &tempo; | |
| // valor | |
| printf ("%p\n", ptr); | |
| // Saída: 0xff53... | |
| // endereço | |
| printf ("%p\n", &ptr); | |
| // Saída: 0xff7a... | |
| // dereferencia | |
| printf ("%f\n", *ptr); | |
| // Saída: 0.0 |
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